Hair brush



FIG. 1 is a front perspective view of a hair brush showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof. 

CLAIM The ornamental design for a hair brush, as shown and described. 